/*
 * Copyright (c) 2021, NVIDIA CORPORATION.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "tensorflow/core/framework/common_shape_fns.h"
#include "tensorflow/core/framework/op.h"
#include "tensorflow/core/framework/shape_inference.h"

using namespace tensorflow;
using namespace tensorflow::shape_inference;

REGISTER_OP("CreateGlobalAdamOptimizer")
    .Output("optimizer_handle: variant")
    .Attr("beta1: float")
    .Attr("beta2: float")
    .Attr("epsilon: float")
    .Doc(R"doc(
        This operation is used to create custom Adam optimizer, which will update
        parameters globally. 
        And this optimizer can only be used to update EmbeddingVariables.
    )doc");